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117P/Helin-Roman-Alu

Orbital period : 8.25 years

NASA/JPL elements
IAU/MPC elements


On 2022 Feb 14 08h48 UT by Pierre Traverse


(Copyright Pierre Traverse)

Nuclear magnitude (m2)15.5
m2 standard deviation0.3
Aperture radius used for m26 "
r (dist/Sun) 3.122 AU
d (dist/Earth) 3.542 AU
Right ascension17 50 08.08 h m s
Declination-25 12 58.6 ° ' "
MPC report
COD X03
CON P. Traverse [pierre.traverse@orange.fr]
OBS J. L. Virlichie, P. Traverse, H. Roy
MEA P. Traverse
TEL 0.35-m f/4.7 Newtonian reflector + CCD
ACK MPCReport file updated 2022.02.14 18:32:21
AC2 pierre.traverse@orange.fr
NET Gaia DR2
0117P         C2022 02 14.36681 17 50 08.08 -25 12 58.6          15.5 G      X03
0117P        KC2022 02 14.38316 17 50 09.53 -25 13 01.0          15.9 G      X03
0117P         C2022 02 14.39492 17 50 10.55 -25 13 02.4          15.1 G      X03
Instrumental configurationConfig1
InstrumentONTC 350mm
Instrument typeNewton
Instrument aperture (0=naked eye)350 mm
Instrument focale length1645 mm
Instrument focale/diameter4.7
Filter(s)L
CameraMoravian G3 16200
SensorCCD
Sensor pixels number3640x4540
Sensor temperature-20 °C
Binning2x2
MountSW EQ8
MotorizationNo
AutoguideYes
Exposure details37x120s
Observatory MPC codeX03
LocationMonte Patria Chili
Reference stars catalogGaia DR2
Used softwaresASTROMETRICA
Resulting picture sampling (scale)1.4 "/pix
Observation submission date2022 Feb 14 18h38m11s
Observation modification date2022 Feb 14 22h48m21s

(Record n° 25078)

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